WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
Building, troubleshooting and testing of these amplifiers should only be
performed by someone who is thoroughly familiar with
the safety precautions around high voltages.
Saw you're in Iowa and was wondering where? I'm in Des Moines myself and starting my first DIY. Tube junkies seem a bit rare in Iowa so I thought I'd give ya a shout!